Gösta Grahne, Matti Nykänen, Esko Ukkonen. Reasoning about Strings in Databases. In Proceedings of the Thirteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 24-26, 1994, Minneapolis, Minnesota. pages 303-312, ACM Press, 1994. [doi]
Abstract is missing.